Salah ad-Din, A., Abdullah, A. M. E. S. (2017). 'The effectiveness of creative play based on participatory computing applications in the development of object-oriented programming skills of third grade preparatory students', المجلة العلمية للجمعية المصرية للکمبيوتر التعليمي, 5(2), pp. 1-44. doi: 10.21608/eaec.2017.51841